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Installing a new Meross Thermostat for my hot water boiler

  • 07-07-2024 7:59pm
    #1
    housedweller
    Registered Users, Registered Users 2 Posts: 36 ✭


    I have a hot water boiler for our showers/bathroom taps, and I’m having trouble wiring it up to a new Meross MST200 (which will link to WiFi and allow for turning on the hot water when we’re out!).

    I have my mains power cable and the cable from the boiler unit:

    • power wire coming in with normal 3 strands: blue/brown/yellow & green
    • Four strand wire from the boiler unit: blue/brown/BLACK/yellow & green

    The Meross device has multiple ports:

    IMG_6397.jpeg

    My take:

    • I add my mains power into 1 & 2
    • But then not a notion on where I connect the boiler wires to…..


    Thanks- we have no hot water as I’ve dismantled the lot, so any help would be wonderful!!!



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